anti-government protesters took to the streets over the weekend fighting back when security forces went after them. 300 people have been arrested so far. will freedom be strangled in iran, or will something else happen? i had a chance to talk with one of our own experts, cnn's man in that part of the world who happens to be in atlanta tonight. how is this different from some of the protests eve seen in the past? >> rick, the intensity is increasing. all you have to do is listen to the slogans. when i was back in iran after the elections on june 12th, the opposition movement was chanting protests disputing the elections. now you look at the slogans and you listen to them. they're directed very aggressively at iran's supreme